CN216372602U

CN216372602U - Short-circuit-proof high-frequency heating equipment

Info

Publication number: CN216372602U
Application number: CN202122770748.8U
Authority: CN
Inventors: 李军
Original assignee: Dalian Meisen Wood Industry Co ltd
Current assignee: Dalian Meisen Wood Industry Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-26
Anticipated expiration: 2031-11-12

Abstract

The invention discloses short-circuit-proof high-frequency heating equipment, wherein a high-frequency heating mechanism comprises a door-shaped support, a side edge extrusion mechanism and an upper and lower extrusion mechanism, the upper and lower extrusion mechanism comprises an upper electrode extrusion plate and a lower electrode extrusion plate, the lower electrode extrusion plate is fixedly arranged on a workbench, a hydraulic machine is arranged in the middle of the top of the door-shaped support and corresponds to the upper electrode extrusion plate, the telescopic end of the hydraulic machine is connected with the upper electrode extrusion plate, overflow grooves are arranged on one sides of the upper electrode extrusion plate and the lower electrode extrusion plate, which are close to each other, a gluing device is arranged above the middle part of a conveyor belt, and the gluing device stretches across the conveyor belt and can be lifted. Compared with the prior art, the invention has the advantages that: all be equipped with the overflow launder on last electrode stripper plate and the lower electrode stripper plate, unnecessary glue flows into in the overflow launder during the extrusion, avoids glue rivers to the side and leads to upper and lower plate electrode short circuit, and the firing timber influences product quality, is equipped with the rubber coating device and carries out the rubber coating, avoids artifical inhomogeneous phenomenon of rubber coating.

Description

Short-circuit-proof high-frequency heating equipment

Technical Field

The invention relates to wood splicing and assembling equipment, in particular to short-circuit-preventing high-frequency heating equipment.

Background

When wooden furniture (such as a door, a cabinet and the like) is produced, wood needs to be adhered and spliced, high-frequency heating equipment needs to be used for ensuring the adhesion and firmness of the wood, when the existing high-frequency heating equipment is used, door or cabinet materials are placed on the equipment, a lateral extrusion device is used for extrusion forming, then a pressing plate is pressed downwards to flatten a wood board, high voltage is started simultaneously, high-frequency current is generated between an upper polar plate and a lower polar plate to enable water molecules in a wood glue seam to do high-frequency irregular motion, the molecules collide with each other to generate friction heat, the assembly is completed after the glue seam is dried after a period of time, however, the redundant glue flows to the side surface after the plane of the pressing plate is pressed downwards, short-circuit current is generated between the upper polar plate and the lower polar plate, arc light is generated to burn a base plate and the wood under large current, the heating and drying of the glue seam are seriously influenced, the existing high-frequency heating equipment does not have gluing equipment, manual gluing and the gluing amount is often not well controlled, when the glue is excessively applied and extruded, the water overflows, the glue is excessively applied, and the glue is easy to adhere and is not firm.

Disclosure of Invention

The invention aims to solve the technical problems and provides the high-frequency heating equipment which is simple in structure, convenient to operate, capable of uniformly coating glue by adopting a machine and capable of preventing glue from flowing to the side surface of a wood board to cause short circuit of an upper electrode plate and a lower electrode plate.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides an anti-short circuit high-frequency heating equipment, includes workstation, conveyer belt, high-frequency heating mechanism are located the workstation both ends respectively, and high-frequency heating mechanism includes door type support, side extrusion mechanism and upper and lower extrusion mechanism, upper and lower extrusion mechanism includes last electrode stripper plate and lower electrode stripper plate, the lower electrode stripper plate is fixed to be set up on the workstation, the setting of going up electrode stripper plate liftable is in lower electrode stripper plate top, door type support top middle part is equipped with the hydraulic press corresponding to last electrode stripper plate, and the flexible end of hydraulic press links to each other with last electrode stripper plate, one side that last electrode stripper plate and lower electrode stripper plate are close to each other all is equipped with the overflow launder, the middle part top of conveyer belt is equipped with the rubber coating device, the rubber coating device spanes the conveyer belt, and liftable.

Furthermore, the side extrusion mechanism comprises a left extrusion mechanism, a right extrusion mechanism and a front extrusion mechanism and a rear extrusion mechanism.

Furthermore, it is equipped with two sets ofly to control the extrusion mechanism, and the symmetry sets up on two inside walls of door type support, control the extrusion mechanism and include cylinder one and extrusion piece, cylinder one end is fixed on door type support inside wall, and the other end links to each other with extrusion piece.

Furthermore, the front and rear extrusion mechanism comprises a baffle plate and a push plate, an open slot is formed in the workbench corresponding to the baffle plate, the baffle plate is arranged in the open slot in a lifting manner, a second air cylinder is arranged in the open slot, and the telescopic end of the second air cylinder is connected with the middle of the bottom of the baffle plate; all rotate on two inside walls of door type support and be equipped with the threaded rod, threaded rod and baffle be the vertical relation, all slide on two threaded rods and be equipped with the slider, rotate between two sliders and be equipped with the bracing piece, the push pedal is parallel with the bracing piece, and the push pedal top links to each other with the bracing piece is fixed.

Further, bracing piece both ends top all is equipped with stopper one, corresponds on the slider and is equipped with two stoppers two, and two stoppers are located slider inside wall top respectively and keep away from the one end of baffle, and stopper one can only rotate between two stoppers two, and the rotation range of restriction bracing piece is 90.

Furthermore, a plurality of overflow chutes are arranged and are arranged in a criss-cross manner to form a grid shape.

Furthermore, a telescopic strip matched with the overflow groove is arranged in the overflow groove, an elastic part is arranged on the telescopic strip, and the upper side and the lower side of the elastic part are fixedly connected with the telescopic strip and the top or the bottom of the overflow groove respectively.

Compared with the prior art, the invention has the advantages that: all be equipped with the overflow launder on last electrode stripper plate and the lower electrode stripper plate, unnecessary glue flows into in the overflow launder during the extrusion, avoids glue rivers to the side and leads to upper and lower plate electrode short circuit, and the firing timber influences product quality, is equipped with the rubber coating device and carries out the rubber coating, avoids artifical inhomogeneous phenomenon of rubber coating.

Drawings

Fig. 1 is a schematic view of a short-circuit prevention high-frequency heating apparatus of the present invention.

Fig. 2 is an enlarged view of a portion a in the body 1.

FIG. 3 is a schematic top view of a lower electrode pressing plate and a side pressing mechanism of the short-circuit preventing high-frequency heating apparatus according to the present invention.

FIG. 4 is a schematic diagram of a first position relation structure of a first limiting block and a second position relation structure of a first limiting block of the short-circuit prevention high-frequency heating device.

As shown in the figure: 1. a work table; 2. a conveyor belt; 3. a gantry support; 4. an upper electrode pressing plate; 5. a lower electrode pressing plate; 6. a hydraulic press; 7. an overflow trough; 8. a first cylinder; 9. extruding the block; 10. a baffle plate; 11. Pushing the plate; 12. a second air cylinder; 13. a threaded rod; 14. a slider; 15. a support bar; 16. a first limiting block; 17. A second limiting block; 18. a telescopic bar; 19. an elastic member.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With reference to the accompanying drawings 1-4, a short-circuit prevention high-frequency heating device comprises a workbench 1, a conveyor belt 2 and a high-frequency heating mechanism, wherein the conveyor belt 2 and the high-frequency heating mechanism are respectively positioned at two ends of the workbench 1, the high-frequency heating mechanism comprises a door-shaped support 3, a side extrusion mechanism and an upper and lower extrusion mechanism, the upper and lower extrusion mechanism comprises an upper electrode extrusion plate 4 and a lower electrode extrusion plate 5, the lower electrode extrusion plate 5 is fixedly arranged on the workbench 1, the upper electrode extrusion plate 4 is arranged above the lower electrode extrusion plate 5 in a lifting manner, a hydraulic press 6 is arranged in the middle of the top of the door-shaped support 3 corresponding to the upper electrode extrusion plate 4, the telescopic end of the hydraulic press 6 is connected with the upper electrode extrusion plate 4, an overflow groove 7 is arranged on one side, close to each other, of the upper electrode extrusion plate 4 and the lower electrode extrusion plate 5, and a gluing device is arranged above the middle of the conveyor belt 2, the gluing device stretches across the conveying belt 2 and can be lifted.

The side extrusion mechanism comprises a left extrusion mechanism, a right extrusion mechanism and a front extrusion mechanism and a rear extrusion mechanism.

It is equipped with two sets ofly to control extrusion mechanism, and the symmetry sets up on two inside walls of door type support 3, control extrusion mechanism and include cylinder 8 and extrusion piece 9, cylinder 8 one end is fixed on 3 inside walls of door type support, and the other end links to each other with extrusion piece 9, drives extrusion piece 9 through cylinder 8 and draws close to the middle part, carries out the extrusion of left right direction to the plank.

The front and rear extrusion mechanism comprises a baffle plate 10 and a push plate 11, an open slot is formed in the workbench 1 corresponding to the baffle plate 10, the baffle plate 10 is arranged in the open slot in a lifting manner, a second air cylinder 12 is arranged in the open slot, and the telescopic end of the second air cylinder 12 is connected with the middle of the bottom of the baffle plate 10; all rotate on two inside walls of door type support 3 and be equipped with threaded rod 13, threaded rod 13 is the vertical relation with baffle 10, all slides on two threaded rods 13 and is equipped with slider 14, rotates between two sliders 14 and is equipped with bracing piece 15, and push pedal 11 is parallel with bracing piece 15, and push pedal 11 top links to each other with bracing piece 15 is fixed, and two threaded rods 13 rotate in step, is equipped with on the door type support 3 to be used for driving threaded rod 13 pivoted driving motor.

One end of the conveyor belt 2 extends into the door-shaped bracket 3, and the push plate 11 is positioned above the end part of the conveyor belt 2 in the initial state.

As shown in fig. 4, the tops of the two ends of the supporting rod 15 are both provided with a first limiting block 16, the sliding block 14 is correspondingly provided with two second limiting blocks 17, the two second limiting blocks 17 are respectively located at the top of the inner side wall of the sliding block 14 and at one end far away from the baffle 10, the first limiting block 16 can only rotate between the two second limiting blocks 17, the rotation range of the supporting rod 15 is limited to 90 degrees, when the conveyor belt 2 drives the wood board to move towards one side of the lower electrode extrusion plate 5, the wood board pushes the push plate 11, the supporting rod 15 and the push plate 11 rotate, the wood board passes through the lower side of the wood board, when the wood board moves to the other side of the push plate 11, the push plate 11 returns to a vertical state (as shown in fig. 4) under the action of gravity, then the threaded rod 13 rotates to drive the sliding block 14, the supporting rod 15 and the push plate 11 move towards one side of the baffle 10 (the push plate 11 is stopped by the second limiting blocks 17 after contacting the wood board, the push plate does not rotate towards one side far away from the baffle 10), the boards are pushed to abut against the baffle 10 to align the boards (to perform forward and backward extrusion), and then the threaded rod rotates in the reverse direction to drive the push plate 11 to return to the original position.

The overflow chutes 7 are arranged in a plurality of criss-cross mode to form a grid shape, so that the problem that glue cannot flow into the overflow chutes 7 due to the fact that the overflow chutes 7 cannot be aligned with glue gaps of the wood boards is avoided.

The upper electrode extrusion plate 4, the lower electrode extrusion plate 5 and the telescopic strips 18 are made of smooth metal materials, and the glue can be pushed out under the action of the elastic piece 19 after splicing (generally, sticky white latex is adopted for wood plate bonding, the adhesive force to metal is not strong, and the glue adhered to the inner wall of the overflow groove 7 can be pushed out through the elastic force of the elastic piece 19).

When the glue flows into the overflow groove 7, the telescopic strip 18 retracts into the overflow groove 7, and after the extrusion is finished, when the upper electrode extrusion plate 4 and the lower electrode extrusion plate 5 are separated from each other, the elastic force of the glue elastic piece 19 pushes the telescopic strip 18 to extend out to eject the glue to the outer side of the overflow groove 7, so that the glue is convenient to clean.

The gluing device comprises a gluing head and a supporting threaded rod, the gluing head is provided with a plurality of through holes, the gluing head is provided with through holes corresponding to the supporting threaded rod, the gluing head slides on the supporting threaded rod, the distance between the gluing heads can be adjusted conveniently according to the width of a wood board, nuts are arranged on two sides of the gluing head, the nuts are fixed in positions after the gluing head moves, three cylinders are arranged at two ends of the supporting threaded rod, the gluing device can conveniently lift, and the bottoms of the three cylinders are connected with the workbench.

When the invention is implemented, the distance between gluing heads is adjusted according to the width of the spliced wood boards, the height of a gluing device is adjusted according to the thickness of the wood boards, then a transmission belt is started, the gluing heads glue the gaps of the wood boards in the process that the transmission belt drives the wood boards to move, the glue penetrates downwards along the gaps in the moving process, the glue penetrates into the gaps of the wood boards when the wood boards move to the lower part of a push plate, the wood boards abut against the push plate to rotate, then the wood boards pass through the lower part of the push plate, then the push plate returns to the original position under the action of gravity, a threaded rod rotates to drive the push plate wood boards to move to one side of a baffle plate to align the wood boards, after extrusion in the front-back direction is realized, the threaded rod rotates reversely to drive the push plate to return to the original position, then a first air cylinder is started to drive an extrusion block to approach to the middle to perform extrusion in the left-right direction, a hydraulic press is started after extrusion of the side part is finished, an upper electrode extrusion plate is driven to move downwards, the wood boards are flattened (meanwhile, the redundant glue enters into an overflow groove, the telescopic strips retract into the overflow groove), then a starting high voltage is introduced to enable high-frequency current to be generated between the upper electrode extrusion plate and the lower electrode extrusion plate to enable water molecules in the wood glue joint to do high-frequency irregular motion, the molecules mutually collide with each other to generate heat, the glue joint is dried after a period of time to complete assembly, then the hydraulic press drives the upper electrode extrusion plate to return to the original position, the threaded rod drives the baffle plate of the push plate box to move once again, the baffle plate retracts into the open slot under the driving of the air cylinder II, the push plate pushes the bonded wood plate to leave the lower electrode extrusion plate, then the push plate returns to the original position again, the telescopic strips stretch out under the action of the elastic piece after pressure loss, the glue is pushed out to the outer side of the overflow groove, the upper electrode extrusion plate, the lower electrode extrusion plate and the telescopic strips are made of smooth metal materials, so that the bonding force of the glue is not strong, and a worker can shovel the glue down through a shovel blade, then the baffle plate rises above the upper electrode extrusion plate again, and the next wood plate bonding is waited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a prevent short circuit high frequency heating equipment, includes workstation (1), conveyer belt (2), high frequency heating mechanism, its characterized in that: the high-frequency heating device is characterized in that the conveyor belt (2) and the high-frequency heating mechanism are respectively positioned at two ends of the workbench (1), the high-frequency heating mechanism comprises a door-shaped support (3), a side edge extrusion mechanism and an upper and lower extrusion mechanism, the upper and lower extrusion mechanism comprises an upper electrode extrusion plate (4) and a lower electrode extrusion plate (5), the lower electrode extrusion plate (5) is fixedly arranged on the workbench (1), the upper electrode extrusion plate (4) is arranged above the lower electrode extrusion plate (5) in a lifting manner, a hydraulic machine (6) is arranged in the middle of the top of the door-shaped support (3) corresponding to the upper electrode extrusion plate (4), the telescopic end of the hydraulic machine (6) is connected with the upper electrode extrusion plate (4), an overflow groove (7) is arranged on one side, close to each other, of the upper electrode extrusion plate (4) and the lower electrode extrusion plate (5), a gluing device is arranged above the middle of the conveyor belt (2), the gluing device stretches across the conveying belt (2) and can be lifted.

2. The short-circuit prevention high-frequency heating apparatus according to claim 1, characterized in that: the side extrusion mechanism comprises a left extrusion mechanism, a right extrusion mechanism and a front extrusion mechanism and a rear extrusion mechanism.

3. The short-circuit prevention high-frequency heating apparatus according to claim 2, characterized in that: left and right extrusion mechanism is equipped with two sets ofly, and the symmetry sets up on two inside walls of door type support (3), left and right extrusion mechanism includes cylinder (8) and extrusion piece (9), and cylinder (8) one end is fixed on door type support (3) inside wall, and the other end links to each other with extrusion piece (9).

4. The short-circuit prevention high-frequency heating apparatus according to claim 2, characterized in that: the front and rear extrusion mechanism comprises a baffle (10) and a push plate (11), an open slot is formed in the workbench (1) corresponding to the baffle (10), the baffle (10) is arranged in the open slot in a lifting manner, a second air cylinder (12) is arranged in the open slot, and the telescopic end of the second air cylinder (12) is connected with the middle of the bottom of the baffle (10); all rotate on two inside walls of door type support (3) and be equipped with threaded rod (13), threaded rod (13) and baffle (10) are the vertical relation, all slide on two threaded rod (13) and are equipped with slider (14), rotate between two slider (14) and be equipped with bracing piece (15), and push pedal (11) are parallel with bracing piece (15), and push pedal (11) top and bracing piece (15) are fixed continuous.

5. The short-circuit prevention high-frequency heating apparatus according to claim 4, characterized in that: the top parts of two ends of the supporting rod (15) are respectively provided with a first limiting block (16), the sliding block (14) is correspondingly provided with a second limiting block (17), and the second limiting blocks (17) are respectively positioned at the top part of the inner side wall of the sliding block (14) and one end of the baffle (10) far away from the top part.

6. The short-circuit prevention high-frequency heating apparatus according to claim 1, characterized in that: the overflow chutes (7) are arranged in a plurality of criss-cross manner to form a grid shape.

7. The short-circuit prevention high-frequency heating apparatus according to claim 1, characterized in that: an expansion strip (18) matched with the overflow groove (7) is arranged in the overflow groove (7), an elastic piece (19) is arranged on the expansion strip (18), and the upper side and the lower side of the elastic piece (19) are fixedly connected with the expansion strip (18) and the top or the bottom of the overflow groove (7) respectively.